Front face of a retaining wall block



FIG. 1 is a perspective view of a front face of a retaining wall block having the new design;

FIG. 2 is a top plan view of the front face of the retaining wall block of FIG. 1;

FIG. 3 is a front elevational view of the front face of the retaining wall block of FIG. 1; and,

FIG. 4 is a side elevational view of the front face of the retaining wall block of FIG. 1.

The broken line showing of a rear portion of a retaining wall block is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a front face of a retaining wall block, as shown and described. 